CÂU HỎI 17 (SINGLECHOICE)
Let S be the subset of the set of ordered pairs of integers defined recursively by
Basis step: (0,0) € S.
Recursive step: if (a, b) e S, then (a + 2, b + 3) Є S and (a + 3, b + 2) € S.
Which element is Not in S?
(6,8)
None of the other choices is correct
(6,9)
(9,6)
(7,8)
